FIP={13×0(被本)+3×(2(四球)-0(故意四球)+1(死球))-2×42(三振)}/23(投球回)+2.91(定数)

0+9-84=-75
75/23=-3.26
-3.26+2.91=-0.35=FIP

FIP-0.35 xFIP0.00 tRA-0.34 WAR1.6

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